Hayward ProSeries S180T
#10 in SandFull review
A simple multiport sand filter for an above-ground pool of up to about 16,800 gallons. Buy it for cheap media and one-lever backwashing, not for the clearest water.
Amazon $499$499
The Hayward ProSeries S180T and the Pentair Sand Dollar SD40 are evenly matched, rated 2.8 and 2.7. The Pentair Sand Dollar SD40 wins on value. The Hayward ProSeries S180T costs $13 less ($499 vs $512).
Pentair Sand Dollar SD40
#12 in SandFull review
An affordable top-mount sand filter for a pool of up to about 19,200 gallons. It suits buyers who want a simple multiport filter from a major maker.
Amazon $512$512
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Pentair Sand Dollar SD40 for value ($12.80 per gpm ($512, 40 gpm) vs $14.26 per gpm ($499, 35 gpm)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every sand pool filter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hayward ProSeries S180T | Pentair Sand Dollar SD40 |
|---|---|---|
| Overall rating | 2.8/5 | 2.7/5 |
| Value 35% | 28 $14.26 per gpm ($499, 35 gpm) | 37 $12.80 per gpm ($512, 40 gpm) |
| Filter area 30% | 7 1.8 sq ft of filter area | 9 1.8 sq ft of filter area |
| Valve 10% | 100 multiport valve | 100 multiport valve |
| Pressure rating 10% | 100 50 psi maximum working pressure | 50 pressure rating not published (neutral score used) |
| Warranty 15% | 33 1-year warranty | 33 1-year warranty |
Specifications
| Hayward ProSeries S180T | Pentair Sand Dollar SD40 | |
|---|---|---|
| Filtering | ||
| Filter type | Sand | Sand |
| Filter area | 1.8 sq ft | 1.8 sq ft |
| Maximum flow | 35 gpm | 40 gpm |
| Largest pool | 16,800 gal | 19,200 gal |
| Pool type | Above-ground | In-ground |
| Sand | 150 lb | 150 lb |
| Build | ||
| Tank diameter | - | 19.5 in |
| Valve | Multiport | Multiport |
| Maximum pressure | 50 psi | - |
| Ports | 1.5 in | 1.5 in |
| Air relief | - | Yes |
| Warranty | 1 year | 1 year |